Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 73 · 40 questions

Creator's tip (Width times height): Pixels = width × height; megapixels = pixels ÷ 1000000. Aspect ratio = width : height. 16:9 wide, 4:3 squarer, 1:1 square, 9:16 tall. Keep the ratio: a 16:9 frame 1920 pixels wide is 1920 ÷ 16 × 9 = 1080 tall. Printing: inches × pixels per inch.

1. 1.🟦 An image is 320 pixels wide and 120 pixels tall. How many pixels does it have in all?
2. 2.Which of these best fits 16:9? (a) a classic tablet screen (b) an album cover (c) an older TV screen (d) a widescreen TV
3. 3.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
4. 4.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
5. 5.Which of these best fits 4:3? (a) a square post (b) an upright phone screen (c) a widescreen TV (d) a classic tablet screen
6. 6.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
7. 7.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
9. 9.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
10. 10.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
12. 12.🟦 An image is 310 pixels wide and 210 pixels tall. How many pixels does it have in all?
13. 13.🟦 An image is 50 pixels wide and 170 pixels tall. How many pixels does it have in all?
14. 14.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
17. 17.🟦 An image is 240 pixels wide and 280 pixels tall. How many pixels does it have in all?
18. 18.Which of these best fits 9:16? (a) a widescreen slide (b) a square sticker (c) a widescreen TV (d) an upright phone screen
19. 19.🟦 An image is 270 pixels wide and 90 pixels tall. How many pixels does it have in all?
20. 20.Which of these best fits 1:1? (a) a tall phone video (b) a landscape video (c) a square post (d) an older TV screen
21. 21.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
22. 22.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
23. 23.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
24. 24.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
25. 25.🟦 An image is 160 pixels wide and 400 pixels tall. How many pixels does it have in all?
26. 26.Which of these best fits 16:9? (a) an older TV screen (b) a laptop film screen (c) an upright phone screen (d) a classic tablet screen
27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
28. 28.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
30. 30.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
31. 31.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
32. 32.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
34. 34.🟦 You shrink a 580 × 220 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
36. 36.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
37. 37.Which of these best fits 16:9? (a) a square profile picture (b) a phone story clip (c) a landscape video (d) an older TV screen
38. 38.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
39. 39.Which of these best fits 1:1? (a) an older TV screen (b) a square sticker (c) a phone story clip (d) a tall phone video
40. 40.Which of these best fits 9:16? (a) a widescreen slide (b) a phone story clip (c) a square profile picture (d) an old-style monitor

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